<!DOCTYPE html>
<style>
select {
  position:absolute;
  top:9px;
  left:9px;
  height:25px;
  width:80px;
}
</style>
<script>

function focusSelectMenu() {
  document.querySelector('select').focus();
}

</script>
<html>
<body>
<select>
  <option selected>Apple</option>
  <option>Orange</option>
  <option>Banana</option>
</select>
</body>
</html>
